// Cloud Float...
$(document).ready(function () {
    var $main = $cloud = mainwidth = null;
    var offset1 = 450;
    var offset2 = 0;

    var offsetbg = 0;

    $main = $(".cloud-body");
    $body = $("body");
    $cloud1 = $(".cloud");
    $cloud2 = $(".cloud2");

    mainwidth = $main.outerWidth();

    /// 飘动
    setInterval(function flutter() {
        if (offset1 >= mainwidth) {
            offset1 = -580;
        }

        if (offset2 >= mainwidth) {
            offset2 = -580;
        }

        offset1 += 1.1;
        offset2 += 1;
        $cloud1.css("background-position", offset1 + "px 100px");

        $cloud2.css("background-position", offset2 + "px 460px");
    }, 70);


    setInterval(function bg() {
        if (!$body.hasClass("cloud-login")) {
            return
        }
        if (offsetbg >= mainwidth) {
            offsetbg = -580;
        }

        offsetbg += 0.9;
        $body.css("background-position", -offsetbg + "px 0");
    }, 90);
})
;


